You want to make sure that the intake side seals completely. Vacuum leaks can cause burnt valves and, worst yet, burnt pistons. Try finding one only 0.040 over piston for a 235.
1951 3800 1-ton "Earning its keep from the get-go" In the DITY Gallery 1962 261 (w/cam, Fenton headers, 2 carbs, MSD ign.), SM420 & Brown-Lipe 6231A 3spd aux. trans, stock axles & brakes. Owned since 1971.
